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Finding the Fourth Proportional to 124,610.40, 186,915.60 and 110,832.30

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Solution

The fourth proportional to 124,610.40, 186,915.60 and 110,832.30 is: 166,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,610.40 : 186,915.60 = 110,832.30 : x
  2. Step 2: Convert to fraction form
    124,610.40/186,915.60 = 110,832.30/x
  3. Step 3: Cross multiply
    124,610.40x = 186,915.60 × 110,832.30
  4. Step 4: Simplify right side
    124,610.40x = 20,716,285,853.88
  5. Step 5: Solve for x
    x = 20,716,285,853.88/124,610.40
  6. Step 6: Final answer
    x = 166,248.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.